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- 10 Codes (MN)
- 10 Dundas Street East
- 10 codes
- 110th Airlift Wing
- 127th Wing
- 16 Tone Waterfall
- 16x64 Sounder Waterfall
- 2016 Democratic National Convention
- 2016 Democratic National Convention Unknown Talkgroups
- 2021 NCAA Division I Men's Basketball Tournament
- 220-222 MHz Band Plan
- 2 Meters
- 300 Baud HF Packet Waterfall
- 380 MHz LMR Band
- 39 Tone Waterfall
- 421-430 MHz Band
- 5-City Radio System (P25)
- 5-City Radio System (P25) System Research
- 5012
- 6.1 Meter Rule
- 604
- 700 MHz Public Safety Band Plan
- 900 MHz LMR Band Plan
- 927th Air Refueling Wing
- A-Beep - Chicagoland Speedway (Joliet)
- A-Beep - Chicagoland Speedway (Joliet) Talkgroup Research
- A-Beep - RC Electronics (Chicago)
- A-Beep - UHF-T (MetroChicago)
- A-Beep - UHF-T (MetroChicago) Unidentified Talkgroups
- A-Beep / Sears2 - UHF (Chicago)
- A/A
- A/G
- AA-Atlanta Terminal Sub
- AAA Towing
- AAF
- AALCOMM Communications
- AALCOMM Communications Unknown Talkgroups
- AARRS Harris XL-200 Radio VHF Interoperability Zone Mapping
- AB-Aberdeen Sub
- AC-Achan Sub
- ACARS
- ADI Ambulance (NY)
- ADS-B
- AEGIS
- AFRRCS Radio IDs
- AG-Alleghany Sub
- AGC
- AGE
- AIS
- AK-New Castle Sub
- ALE
- ALE 2G Waterfall
- ALE Networks
- ALSA
- ALS (Advanced Life Support)
- AL Department of Public Safety (AL)
- AL Forestry Commission (AL)
- AL Highway Patrol (AL)
- AL Law Enforcement Agency (AL)
- AL Medevac (AL)
- AL Railroads (AL)
- AL Utilities (AL)
- AM
- AMBE
- AMSS
- AMVER
- AM Broadcast
- AN-Andrews Sub
- ANDVT
- ANDVT Waterfall
- ANG
- ANZ Stadium (Sydney)
- AOR-3000
- AOR-3030
- AOR-5000
- AOR-7030
- AOR-8000
- AOR-8200
- AOR-8600
- AOR DV1 Tips and Tricks
- AOR Radios
- AOR eBay Listings
- APCO-16
- APCO-25
- APCO-25 Common Air Interface
- APCO-25 Reception Above 780 MHz
- APCO Project 25
- APCO p25
- API
- APX 7000
- APX 8000
- AR-8000
- AR-8200
- AR-8600
- AR-Alpha
- AR-Alpha eBay listings
- AR-Auburndale Sub
- AR-One
- AR-One eBay Listings
- AR1000/2000
- AR1000/2000 eBay Listings
- AR1500
- AR1500 eBay Listings
- AR16
- AR16 eBay Listings
- AR2001
- AR2002
- AR2002 eBay Listings
- AR2500
- AR2515
- AR2515 eBay Listings
- AR2700
- AR2700 eBay Listings
- AR2800
- AR2800 eBay Listings
- AR3000
- AR3000 eBay Listings
- AR3030
- AR3030 eBay Listings
- AR5000
- AR5000 eBay Listings
- AR5700D
- AR7000
- AR7000 eBay Listings
- AR7030
- AR7030 eBay Listings
- AR777 AAR Track
- AR8000
- AR8000, Trunker and the Optolinx
- AR8000 and the Optocom
- AR8000 eBay Listings
- AR8200
- AR8200 eBay Listings
- AR8600
- AR8600 eBay Listings
- AR880
- AR880 eBay Listings
- AR900
- AR900 eBay Listings
- AR950
- AR950 eBay Listings
- ARC-XT-Pro Install Under Linux
- ARC1500
- ARC20 for Icom IC R20
- ARC310
- ARC500
- ARC500 User Guide
- ARC5 for Icom IC R5
- ARC6 for Icom IC R6
- ARC96
- ARCH Medical Helicopter (US-MO/IL)
- ARCPATROL
- ARES/RACES (NJ)
- ARINC (Luis Munoz Marin International Airport)
- ARINC (Luis Munoz Marin International Airport) Unknown Talkgroups
- ARINC Frequencies in the NE US
- ARMER Related Conventional Frequencies and Patches
- ARNG
- ARQ6-70
- ARQ E3 Waterfall
- ARS-GUARD
- ARTCC
- ARW
- ASTRO
- ASTRO-25
- AT&T Center
- AT3004D Waterfall
- ATC
- ATCO Electric
- ATCO Electric Programming Instructions
- ATCO Electric Unidentified Talkgroups
- ATCO Gas
- ATCO Gas Unknown Talkgroups
- ATF
- ATIS
- ATT NY
- ATT Park
- ATT Park (DMR)
- AT and T Center Talkgroups
- AT and T Stadium Possible Talkgroups
- AU-Augusta Sub
- AV-Abbeville Sub
- AW-A and WP Sub
- AWACS
- AWI
- AWIN Central Towers
- AWIN East Towers
- AWIN Northeast Towers
- AWIN Northwest Towers
- AWIN Southeast Towers
- AWIN Southwest Towers
- AWIN Tower Map
- AWIN West Towers
- AZ ANG 162ndFW
- A & B Communications (Houston)
- A Few Words on Receivers
- Abbeville County (SC)
- Abbott Laboratories (N Chicago)
- Aberdeen Proving Ground (Project 25)
- Aberdeen Proving Ground (Project 25) Unknown Talkgroups
- Abilene
- Abilene (TX) TRS Unknown Talkgroups
- Abraham Lincoln Capital Airport (SPI) Sangamon County (IL)
- Academy Sports and Outdoors Distribution Center
- Acadia County (AB)
- Acadia Parish (LA)
- Acadia Parish (LA) Bridges
- Acadian Ambulance (LA)
- Acces Communications
- Acces Communications (Ontario)
- Acces Communications (Quebec)
- AccessNET
- AccessNET System Research
- Accomack County (VA)
- Account Help
- Acess Communications Talkgroup Research
- Action RF
- Action RF (Algonquin College)
- Action RF (Ottawa)
- Action RF (Ottawa) Unknown Talkgroups
- Action Radio - Albertville
- Action Radio - Champlin
- Action Radio - Champlin Unknown Talkgroups
- Action Radio - Shakopee
- Action Radio - St. Louis Park
- Action Radio - St. Louis Park Unknown Talkgroups
- Action Radio - West St. Paul
- Action Radio - West St. Paul Unknown Talkgroups
- Active Antennas KB6RWX
- Ada County (ID)
- Adair County (KY)
- Adair County (MO)
- Adams Communications
- Adams Communications (NY) Fleetsync Idents and Talkgroups
- Adams County (CO)
- Adams County (IL)
- Adams County (IN)
- Adams County (MS)
- Adams County (ND)
- Adams County (OH)
- Adams County (PA)
- Adams County (PA) CDC - Hospitals - Local Government ID's
- Adams County (PA) Fire/EMS ID's
- Adams County (PA) Fire Tone Outs
- Adams County (PA) Law Enforcement ID's
- Adams County (WA)
- Adams County (WI)
- Adams County E-911 District
- Adams County Public Safety
- Adams County Public Safety Radio IDs
- Adams County Public Safety Talkgroups
- Adams National Historic Park (MA)
- Adding Misc Data and News to the Wiki
- Adding a Rebanded System Manually via Sentinel
- Addison Airport (ADS) Dallas County (TX)
- Additional NY Railroad Frequencies
- Adrian & Blissfield Rail Road Company
- Adrian and Blissfield Rail Road Company
- Adrian and Blissfield Railroad Company
- Advanced Communications
- Advanced Communications Talkgroup Research
- Advanced Train Control System (ATCS) Frequencies
- Advocate BroMenn Medical Center
- Advocate BroMenn Medical Center Unidentified Talkgroups
- Aero Country Airport (T31) Collin County (TX)
- Aeronautical Frequencies (NY)
- Aeronautical Radio
- Aeronautical Radio (IAD)
- Aeronautical Radio (IAD) DMR Bandplan
- Aeronautical Radio (IAD) Unknown Talkgroups
- Aeronautical Radio (LAS) Unknown Talkgroups
- Agencies Participating in ARMER
- Agrium Redwater
- Aiken City (SC) Public Safety
- Aiken County (SC)
- Aiken County (SC) Codes and Signals
- Aiken County (SC) Police and Fire Stations
- Aiken County (SC) Volunteer Fire Departments
- AirCall Communications
- AirCall Communications Site Research
- Air Canada Center
- Air Communications of Wisconsin (Eau Claire)
- Air Communications of Wisconsin (Eau Claire) Unknown Talkgroups
- Air Evac Lifeteam (US Nationwide)
- Air Medical & State EMS (TN)
- Air Medical (TN)
- Air Medical and State EMS (TN)
- Air Saguenay-Lac-Saint-Jean County (QC)
- Air Shows (US Nationwide)
- Aircraft
- Aircraft Communications Addressing and Reporting System (ACARS) (US Nationwide)
- Airport Payne County (OK)
- Airports (IA)
- Airports (MN)
- Airports - Other Cook County (IL)
- Airports - Other St. Louis County (MO)
- Airports Bernalillo County (NM)
- Airports Chippewa County (MI)
- Airports Crawford County (IL)
- Airports Eaton County (MI)
- Airports Fresno County (CA)
- Airports Genesee County (MI)
- Airports Grand Traverse County (MI)
- Airports Honolulu County (HI)
- Airports Ingham County (MI)
- Airports Kalamazoo County (MI)
- Airports Kauai County (HI)
- Airports Lee County (IL)
- Airports Lenawee County (MI)
- Airports Los Angeles County (CA)
- Airports Luzerne County (PA)
- Airports Marquette County (MI)
- Airports McLean County (IL)
- Airports Miller County (AR)
- Airports Muskegon County (MI)
- Airports Oakland County (MI)
- Airports Orange County (CA)
- Airports Peoria County (IL)
- Airports Polk County (AR)
- Airports Rogers County (OK)
- Airports Routt County (CO)
- Airports Sacramento County (CA)
- Airports St. Clair County (IL)
- Airports Tarrant County (TX)
- Airports Tulsa County (OK)
- Airports Wichita County (TX)
- Aitkin County (MN)
- Akron Washington County (CO)
- Ala Moana Center
- Alabama(US)
- Alabama (US)
- Alabama Counties
- Alabama First Responder Network
- Alabama First Responder Network Unknown Talkgroups
- Alabama Interoperable Radio System (AIRS)
- Alabama Interoperable Radio System (AIRS): Jefferson County Radio IDs
- Alabama Interoperable Radio System (AIRS) Unknown Talkgroups
- Alabama Regional Communications System (ARCS)
- Alabama Sports
- Alachua County (FL)
- Alachua County (FL) P25 User ID's
- Alachua County - Gainesville Regional Utilities (GRUCom Project 25) System
- Alachua County - Gainesville Regional Utilities (GRUCom Project 25) System Radio IDs
- Alamance County (NC)
- Alameda, County of (Public Safety)